.carousel {
    position: relative;
    width: 100%;
    height: 637px;
    background-color: #87cefa;
    overflow: hidden;
}

.carousel .carousel-img-list {
    position: relative;
    left: 0;
    width: 1000%;
    height: 100%;
}

.carousel .carousel-img-list li {
    float: left;
    width: 10%;
    height: 100%;
}

.carousel .carousel-img-list img {
    width: 100%;
    height: 100%;
}

.carousel .carousel-marks {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
}

.carousel .carousel-marks li {
    float: left;
    margin: 0 10px;
    height: 10px;
    width: 10px;
    border-radius: 50%;
    opacity: 0.5;
    background-color: #ffffff;
}

.carousel .carousel-marks li.active {
    opacity: 1;
}

.carousel .carousel-left-arrow,
.carousel .carousel-right-arrow {
    user-select: none;
    text-align: center;
    opacity: 0;
    position: absolute;
    height: 100%;
    line-height: 637px;
    top: 0;
    cursor: pointer;
    color: #fff;
    font-family: Consolas;
    font-size: 50px;
    font-weight: bold;
    transition: all 0.3s;
}

.carousel:hover .carousel-left-arrow,
.carousel:hover .carousel-right-arrow {
    opacity: 1;
}

.carousel .carousel-left-arrow {
    left: 0px;
    padding-left: 30px;
}

.carousel .carousel-right-arrow {
    right: 0px;
    padding-right: 30px;
}

.carousel .carousel-left-arrow:hover {
    padding-right: 10px;
    padding-left: 20px;
}

.carousel .carousel-right-arrow:hover {
    padding-left: 20px;
    padding-right: 20px;
}

/*欢迎语*/
.welcome {
    text-align: center;
    padding: 100px 0;
}

.welcome h3 {
    font-size: 18px;
    line-height: 50px;
    font-weight: bold;
}

.welcome p {
    font-size: 16px;
    line-height: 30px;
}

/*预览图片*/
.summary {
    height: 450px;
}

.summary .summary-left {
    position: relative;
    height: 100%;
    width: 650px;
    background: url("../images/work-1.jpg") no-repeat center center;
}
.summary .summary-left .mask {
    box-sizing: border-box;
    position: absolute;
    height: 200px;
    width: 100%;
    background-color: rgba(0,0,0,0.3);
    bottom: 0;
    color: #fff;
    padding:30px;
    font: lighter 25px/35px "Microsoft YaHei";
    transition: all 0.3s;
}
.summary .summary-left:hover .mask {
    background-color: rgba(0,0,0,0.5);
}
.summary .summary-right {
    width: 460px;
    padding-left: 30px;
}

.summary .summary-right li {
    position: relative;
    height: 165px;
    padding-left: 200px;
}

.summary-right li div {
    position: absolute;
    width: 170px;
    height: 120px;
    top: 0;
    left: 0;
}
.summary-right li p:nth-of-type(1) {
    padding-top: 10px;
    font: 18px/30px "Microsoft Yahei";
}

.summary-right li p:nth-of-type(2) {
    padding-top: 20px;
    font: lighter 16px/24px "Microsoft Y··ahei";
}

.summary-right li:nth-of-type(1) div {
    background: url("../images/work-2.jpg") no-repeat center center;
}

.summary-right li:nth-of-type(2) div {
    background: url("../images/work-3.jpg") no-repeat center center;
}

.summary-right li:nth-of-type(3) div {
    background: url("../images/work-4.jpg") no-repeat center center;
    margin-bottom: 0;
}

/**/
.intro {
    text-align: center;
    position: relative;
    margin-top: 200px;
    height: 440px;
    background: url("../images/intro.jpg") no-repeat center center fixed;
}

.intro h2 {
    position: relative;
    top: 50%;
    margin-top: -40px;
    display: inline-block;
    font-size: 30px;
    line-height: 30px;
    color: #FFF;
    padding: 10px;
    border: 3px solid #fff;
}

/**/
.products {
    text-align: center;
    padding: 100px 0;
}

.products h3 {
    font-size: 18px;
    line-height: 50px;
    font-weight: bold;
}

.products p {
    font-size: 16px;
    line-height: 30px;
}

/**/
.photo {
    position: relative;
    height: 240px;
}

.photo .photo-box {
    overflow: hidden;
}

.photo .photo-box ul {
    position: relative;
    width: 1000%;
    user-select: none;
}

.photo .photo-box li {
    float: left;
    width: 360px;
    height: 240px;
    margin: 10px;
    overflow: hidden;
}

.photo .photo-box img {
    width: 100%;
    transition: all 0.3s;
}

.photo .photo-box img:hover {
    transform: scale(1.1);
}

.photo .photo-left-arrow,
.photo .photo-right-arrow {
    position: absolute;
    top: 0;
    cursor: pointer;
    height: 100%;
    font: 30px/240px "Consolas";
    user-select: none;
    transition: all 0.3s;
}

.photo .photo-left-arrow {
    left: -20px;
    padding-right: 10px;
}

.photo .photo-right-arrow {
    right: -20px;
    padding-left: 10px;
}

.photo .photo-left-arrow:hover {
    left: -25px;
    padding-right: 15px;
}

.photo .photo-right-arrow:hover {
    right: -25px;
    padding-left: 15px;
}

/**/
footer{
    margin-top: 200px;
}
footer .footer-intro{
    height: 490px;
    background-color: #F7F7F7;
}
footer .footer-intro .foot-part {
    float: left;
    height: 100%;
    width: 380px;
}
footer .footer-intro span {
    float: left;
    text-align: center;
    width: 100px;
    font-size: 50px;
    color: #000;
    line-height: 490px;
}
footer .footer-intro .foot-part-text {
    padding-top: 100px;
    float: left;
    width: 280px;
    text-align: center;
}
footer .foot-part-text h6 {
    font-size: 22px;
    line-height: 50px;
    color: #87cefa;
}
footer .foot-part-text p {
    padding-top: 20px;
    text-align: left;
    font: lighter 18px/50px "Microsoft YaHei";
}